BY JAMES C. COX, M.D., F.L.S., ETC. 785 



being | inch in diameter. Web between dorsals o\ inches ; first 

 and second pairs 4A- inches ; second and third pairs 64; in ; third 

 and fourth pairs 6i inc. 



This species, although larger, may be the 0. tetricus of Gould, 

 but I find it very difficult to discern between closely allied species 

 the differences said to exist by the descriptions given or shown 

 by the figures. 



c. Body minutely granular. 



Arms 2, 3, 4, 1. 

 Octopus saphenia, Gray, 1849; Tryon, 1879, Man. Conch., p. 120. 



Ocular beards none ; arms moderate, three upper pairs sub- 

 equal ; web short, granular above. 



Described from specimens in alcohol (Brit. Mus.) not figured. 



Hab. Pacific Ocean ; East Coast of South America. 



Arms 2, 4, 8, 1. 



Octopus super ciliosus, Quoy and Gaimard ; Tryon, pi. 27, fig. 18. 



Body oval, acuminated behind, slightly granular, long bearded ; 

 head very distinct, swollen, smooth in the middle, tuberculate 

 over the eyes ; arms elongated, angular, conical, nearly equal ; 

 cups far apart, large ; beak without lateral wings. White when 

 alive. Total length 100 mill., length of body 1G mill. ; length 

 of arms 2, 77 mill. ; 4, 76 mill. ; 3, 70 mill. ; 1, 60 mill. 



Hah. Bass' Straits, Australia. 



Quoy et Gaimard, Zool. du Voy, de l'Ast., Vol. 2, p. 28, pi. 6, 

 fig. 4, 1832. D'Orbigny et Ferussac, Mon. des Ceph., p. 41, pi. 

 10, fig. 3, and pi. 28, fig. 6. Gray, Cat. of Ceph., p. 12, 1849. 

 Tryon, Man. of Con., p. 121. 



Arms 4, 3, 2, 1. 

 Octopus lunulatus, Quoy and Gaimard, Tryon, p. 121, pi. 26, figs. 

 15, 17. 



